JSFiddle - React, Tailwind, and code Playground

HTML

<div id="comment">
<div class="fb-comments" data-href="http://jsfiddle.net/PZD54"></div>
</div>

CSS

#comment { width:100%; }

JavaScript

setTimeout(function(){
	resizeFacebookComments();
}, 1000);

$(window).on('resize', function(){
	resizeFacebookComments();
});

function resizeFacebookComments(){
	var src   = $('.fb-comments iframe').attr('src').split('width='),
	width = $('#comment').width();

	$('.fb-comments iframe').attr('src', src[0] + 'width=' + width);
}

(function(d, s, id) {
	var js, fjs = d.getElementsByTagName(s)[0];
	if (d.getElementById(id)) return;
	js = d.createElement(s); js.id = id;
	js.src = "//connect.facebook.net/en_US/all.js#xfbml=1&appId=596895303735715";
	fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));